null-deref-path-notes.m revision 0e2c34f92f00628d48968dfea096d36381f494cb 
1// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store=region -analyzer-output=text -fblocks -verify -Wno-objc-root-class %s
2// RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store=region -analyzer-output=plist-multi-file -analyzer-config path-diagnostics-alternate=false -fblocks -Wno-objc-root-class %s -o %t
3// RUN: FileCheck --input-file=%t %s
4
5@interface Root {
6@public
7  int uniqueID;
8}
9- (id)initWithID:(int)newID;
10- (void)refreshID;
11@end
12
13int testNull(Root *obj) {
14  if (obj) return 0;
15  // expected-note@-1 {{Assuming 'obj' is nil}}
16  // expected-note@-2 {{Taking false branch}}
17
18  int *x = &obj->uniqueID; // expected-note{{'x' initialized to a null pointer value}}
19  return *x; // expected-warning{{Dereference of null pointer (loaded from variable 'x')}} expected-note{{Dereference of null pointer (loaded from variable 'x')}}
20}
21
22
23@interface Subclass : Root
24@end
25
26@implementation Subclass
27- (id)initWithID:(int)newID {
28  self = [super initWithID:newID]; // expected-note{{Value assigned to 'self'}}
29  if (self) return self;
30  // expected-note@-1 {{Assuming 'self' is nil}}
31  // expected-note@-2 {{Taking false branch}}
32
33  uniqueID = newID; // expected-warning{{Access to instance variable 'uniqueID' results in a dereference of a null pointer (loaded from variable 'self')}} expected-note{{Access to instance variable 'uniqueID' results in a dereference of a null pointer (loaded from variable 'self')}}
34  return self;
35}
36
37@end
38
39void repeatedStores(int coin) {
40  int *p = 0;
41  if (coin) {
42    // expected-note@-1 {{Assuming 'coin' is 0}}
43    // expected-note@-2 {{Taking false branch}}
44    extern int *getPointer();
45    p = getPointer();
46  } else {
47    p = 0; // expected-note {{Null pointer value stored to 'p'}}
48  }
49
50  *p = 1; // expected-warning{{Dereference of null pointer}} expected-note{{Dereference of null pointer}}
51}
52
53
54// CHECK:  <key>diagnostics</key>
55// CHECK-NEXT:  <array>
56// CHECK-NEXT:   <dict>
57// CHECK-NEXT:    <key>path</key>
58// CHECK-NEXT:    <array>
59// CHECK-NEXT:     <dict>
60// CHECK-NEXT:      <key>kind</key><string>control</string>
61// CHECK-NEXT:      <key>edges</key>
62// CHECK-NEXT:       <array>
63// CHECK-NEXT:        <dict>
64// CHECK-NEXT:         <key>start</key>
65// CHECK-NEXT:          <array>
66// CHECK-NEXT:           <dict>
67// CHECK-NEXT:            <key>line</key><integer>14</integer>
68// CHECK-NEXT:            <key>col</key><integer>3</integer>
69// CHECK-NEXT:            <key>file</key><integer>0</integer>
70// CHECK-NEXT:           </dict>
71// CHECK-NEXT:           <dict>
72// CHECK-NEXT:            <key>line</key><integer>14</integer>
73// CHECK-NEXT:            <key>col</key><integer>4</integer>
74// CHECK-NEXT:            <key>file</key><integer>0</integer>
75// CHECK-NEXT:           </dict>
76// CHECK-NEXT:          </array>
77// CHECK-NEXT:         <key>end</key>
78// CHECK-NEXT:          <array>
79// CHECK-NEXT:           <dict>
80// CHECK-NEXT:            <key>line</key><integer>14</integer>
81// CHECK-NEXT:            <key>col</key><integer>7</integer>
82// CHECK-NEXT:            <key>file</key><integer>0</integer>
83// CHECK-NEXT:           </dict>
84// CHECK-NEXT:           <dict>
85// CHECK-NEXT:            <key>line</key><integer>14</integer>
86// CHECK-NEXT:            <key>col</key><integer>9</integer>
87// CHECK-NEXT:            <key>file</key><integer>0</integer>
88// CHECK-NEXT:           </dict>
89// CHECK-NEXT:          </array>
90// CHECK-NEXT:        </dict>
91// CHECK-NEXT:       </array>
92// CHECK-NEXT:     </dict>
93// CHECK-NEXT:     <dict>
94// CHECK-NEXT:      <key>kind</key><string>event</string>
95// CHECK-NEXT:      <key>location</key>
96// CHECK-NEXT:      <dict>
97// CHECK-NEXT:       <key>line</key><integer>14</integer>
98// CHECK-NEXT:       <key>col</key><integer>7</integer>
99// CHECK-NEXT:       <key>file</key><integer>0</integer>
100// CHECK-NEXT:      </dict>
101// CHECK-NEXT:      <key>ranges</key>
102// CHECK-NEXT:      <array>
103// CHECK-NEXT:        <array>
104// CHECK-NEXT:         <dict>
105// CHECK-NEXT:          <key>line</key><integer>14</integer>
106// CHECK-NEXT:          <key>col</key><integer>7</integer>
107// CHECK-NEXT:          <key>file</key><integer>0</integer>
108// CHECK-NEXT:         </dict>
109// CHECK-NEXT:         <dict>
110// CHECK-NEXT:          <key>line</key><integer>14</integer>
111// CHECK-NEXT:          <key>col</key><integer>9</integer>
112// CHECK-NEXT:          <key>file</key><integer>0</integer>
113// CHECK-NEXT:         </dict>
114// CHECK-NEXT:        </array>
115// CHECK-NEXT:      </array>
116// CHECK-NEXT:      <key>depth</key><integer>0</integer>
117// CHECK-NEXT:      <key>extended_message</key>
118// CHECK-NEXT:      <string>Assuming &apos;obj&apos; is nil</string>
119// CHECK-NEXT:      <key>message</key>
120// CHECK-NEXT:      <string>Assuming &apos;obj&apos; is nil</string>
121// CHECK-NEXT:     </dict>
122// CHECK-NEXT:     <dict>
123// CHECK-NEXT:      <key>kind</key><string>control</string>
124// CHECK-NEXT:      <key>edges</key>
125// CHECK-NEXT:       <array>
126// CHECK-NEXT:        <dict>
127// CHECK-NEXT:         <key>start</key>
128// CHECK-NEXT:          <array>
129// CHECK-NEXT:           <dict>
130// CHECK-NEXT:            <key>line</key><integer>14</integer>
131// CHECK-NEXT:            <key>col</key><integer>7</integer>
132// CHECK-NEXT:            <key>file</key><integer>0</integer>
133// CHECK-NEXT:           </dict>
134// CHECK-NEXT:           <dict>
135// CHECK-NEXT:            <key>line</key><integer>14</integer>
136// CHECK-NEXT:            <key>col</key><integer>9</integer>
137// CHECK-NEXT:            <key>file</key><integer>0</integer>
138// CHECK-NEXT:           </dict>
139// CHECK-NEXT:          </array>
140// CHECK-NEXT:         <key>end</key>
141// CHECK-NEXT:          <array>
142// CHECK-NEXT:           <dict>
143// CHECK-NEXT:            <key>line</key><integer>18</integer>
144// CHECK-NEXT:            <key>col</key><integer>3</integer>
145// CHECK-NEXT:            <key>file</key><integer>0</integer>
146// CHECK-NEXT:           </dict>
147// CHECK-NEXT:           <dict>
148// CHECK-NEXT:            <key>line</key><integer>18</integer>
149// CHECK-NEXT:            <key>col</key><integer>5</integer>
150// CHECK-NEXT:            <key>file</key><integer>0</integer>
151// CHECK-NEXT:           </dict>
152// CHECK-NEXT:          </array>
153// CHECK-NEXT:        </dict>
154// CHECK-NEXT:       </array>
155// CHECK-NEXT:     </dict>
156// CHECK-NEXT:     <dict>
157// CHECK-NEXT:      <key>kind</key><string>event</string>
158// CHECK-NEXT:      <key>location</key>
159// CHECK-NEXT:      <dict>
160// CHECK-NEXT:       <key>line</key><integer>18</integer>
161// CHECK-NEXT:       <key>col</key><integer>3</integer>
162// CHECK-NEXT:       <key>file</key><integer>0</integer>
163// CHECK-NEXT:      </dict>
164// CHECK-NEXT:      <key>ranges</key>
165// CHECK-NEXT:      <array>
166// CHECK-NEXT:        <array>
167// CHECK-NEXT:         <dict>
168// CHECK-NEXT:          <key>line</key><integer>18</integer>
169// CHECK-NEXT:          <key>col</key><integer>3</integer>
170// CHECK-NEXT:          <key>file</key><integer>0</integer>
171// CHECK-NEXT:         </dict>
172// CHECK-NEXT:         <dict>
173// CHECK-NEXT:          <key>line</key><integer>18</integer>
174// CHECK-NEXT:          <key>col</key><integer>8</integer>
175// CHECK-NEXT:          <key>file</key><integer>0</integer>
176// CHECK-NEXT:         </dict>
177// CHECK-NEXT:        </array>
178// CHECK-NEXT:      </array>
179// CHECK-NEXT:      <key>depth</key><integer>0</integer>
180// CHECK-NEXT:      <key>extended_message</key>
181// CHECK-NEXT:      <string>&apos;x&apos; initialized to a null pointer value</string>
182// CHECK-NEXT:      <key>message</key>
183// CHECK-NEXT:      <string>&apos;x&apos; initialized to a null pointer value</string>
184// CHECK-NEXT:     </dict>
185// CHECK-NEXT:     <dict>
186// CHECK-NEXT:      <key>kind</key><string>control</string>
187// CHECK-NEXT:      <key>edges</key>
188// CHECK-NEXT:       <array>
189// CHECK-NEXT:        <dict>
190// CHECK-NEXT:         <key>start</key>
191// CHECK-NEXT:          <array>
192// CHECK-NEXT:           <dict>
193// CHECK-NEXT:            <key>line</key><integer>18</integer>
194// CHECK-NEXT:            <key>col</key><integer>3</integer>
195// CHECK-NEXT:            <key>file</key><integer>0</integer>
196// CHECK-NEXT:           </dict>
197// CHECK-NEXT:           <dict>
198// CHECK-NEXT:            <key>line</key><integer>18</integer>
199// CHECK-NEXT:            <key>col</key><integer>5</integer>
200// CHECK-NEXT:            <key>file</key><integer>0</integer>
201// CHECK-NEXT:           </dict>
202// CHECK-NEXT:          </array>
203// CHECK-NEXT:         <key>end</key>
204// CHECK-NEXT:          <array>
205// CHECK-NEXT:           <dict>
206// CHECK-NEXT:            <key>line</key><integer>19</integer>
207// CHECK-NEXT:            <key>col</key><integer>3</integer>
208// CHECK-NEXT:            <key>file</key><integer>0</integer>
209// CHECK-NEXT:           </dict>
210// CHECK-NEXT:           <dict>
211// CHECK-NEXT:            <key>line</key><integer>19</integer>
212// CHECK-NEXT:            <key>col</key><integer>8</integer>
213// CHECK-NEXT:            <key>file</key><integer>0</integer>
214// CHECK-NEXT:           </dict>
215// CHECK-NEXT:          </array>
216// CHECK-NEXT:        </dict>
217// CHECK-NEXT:       </array>
218// CHECK-NEXT:     </dict>
219// CHECK-NEXT:     <dict>
220// CHECK-NEXT:      <key>kind</key><string>control</string>
221// CHECK-NEXT:      <key>edges</key>
222// CHECK-NEXT:       <array>
223// CHECK-NEXT:        <dict>
224// CHECK-NEXT:         <key>start</key>
225// CHECK-NEXT:          <array>
226// CHECK-NEXT:           <dict>
227// CHECK-NEXT:            <key>line</key><integer>19</integer>
228// CHECK-NEXT:            <key>col</key><integer>3</integer>
229// CHECK-NEXT:            <key>file</key><integer>0</integer>
230// CHECK-NEXT:           </dict>
231// CHECK-NEXT:           <dict>
232// CHECK-NEXT:            <key>line</key><integer>19</integer>
233// CHECK-NEXT:            <key>col</key><integer>8</integer>
234// CHECK-NEXT:            <key>file</key><integer>0</integer>
235// CHECK-NEXT:           </dict>
236// CHECK-NEXT:          </array>
237// CHECK-NEXT:         <key>end</key>
238// CHECK-NEXT:          <array>
239// CHECK-NEXT:           <dict>
240// CHECK-NEXT:            <key>line</key><integer>19</integer>
241// CHECK-NEXT:            <key>col</key><integer>10</integer>
242// CHECK-NEXT:            <key>file</key><integer>0</integer>
243// CHECK-NEXT:           </dict>
244// CHECK-NEXT:           <dict>
245// CHECK-NEXT:            <key>line</key><integer>19</integer>
246// CHECK-NEXT:            <key>col</key><integer>10</integer>
247// CHECK-NEXT:            <key>file</key><integer>0</integer>
248// CHECK-NEXT:           </dict>
249// CHECK-NEXT:          </array>
250// CHECK-NEXT:        </dict>
251// CHECK-NEXT:       </array>
252// CHECK-NEXT:     </dict>
253// CHECK-NEXT:     <dict>
254// CHECK-NEXT:      <key>kind</key><string>event</string>
255// CHECK-NEXT:      <key>location</key>
256// CHECK-NEXT:      <dict>
257// CHECK-NEXT:       <key>line</key><integer>19</integer>
258// CHECK-NEXT:       <key>col</key><integer>10</integer>
259// CHECK-NEXT:       <key>file</key><integer>0</integer>
260// CHECK-NEXT:      </dict>
261// CHECK-NEXT:      <key>ranges</key>
262// CHECK-NEXT:      <array>
263// CHECK-NEXT:        <array>
264// CHECK-NEXT:         <dict>
265// CHECK-NEXT:          <key>line</key><integer>19</integer>
266// CHECK-NEXT:          <key>col</key><integer>11</integer>
267// CHECK-NEXT:          <key>file</key><integer>0</integer>
268// CHECK-NEXT:         </dict>
269// CHECK-NEXT:         <dict>
270// CHECK-NEXT:          <key>line</key><integer>19</integer>
271// CHECK-NEXT:          <key>col</key><integer>11</integer>
272// CHECK-NEXT:          <key>file</key><integer>0</integer>
273// CHECK-NEXT:         </dict>
274// CHECK-NEXT:        </array>
275// CHECK-NEXT:      </array>
276// CHECK-NEXT:      <key>depth</key><integer>0</integer>
277// CHECK-NEXT:      <key>extended_message</key>
278// CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;x&apos;)</string>
279// CHECK-NEXT:      <key>message</key>
280// CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;x&apos;)</string>
281// CHECK-NEXT:     </dict>
282// CHECK-NEXT:    </array>
283// CHECK-NEXT:    <key>description</key><string>Dereference of null pointer (loaded from variable &apos;x&apos;)</string>
284// CHECK-NEXT:    <key>category</key><string>Logic error</string>
285// CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
286// CHECK-NEXT:    <key>check_name</key><string>core.NullDereference</string>
287// CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
288// CHECK-NEXT:   <key>issue_context</key><string>testNull</string>
289// CHECK-NEXT:   <key>issue_hash</key><string>6</string>
290// CHECK-NEXT:   <key>location</key>
291// CHECK-NEXT:   <dict>
292// CHECK-NEXT:    <key>line</key><integer>19</integer>
293// CHECK-NEXT:    <key>col</key><integer>10</integer>
294// CHECK-NEXT:    <key>file</key><integer>0</integer>
295// CHECK-NEXT:   </dict>
296// CHECK-NEXT:   </dict>
297// CHECK-NEXT:   <dict>
298// CHECK-NEXT:    <key>path</key>
299// CHECK-NEXT:    <array>
300// CHECK-NEXT:     <dict>
301// CHECK-NEXT:      <key>kind</key><string>event</string>
302// CHECK-NEXT:      <key>location</key>
303// CHECK-NEXT:      <dict>
304// CHECK-NEXT:       <key>line</key><integer>28</integer>
305// CHECK-NEXT:       <key>col</key><integer>3</integer>
306// CHECK-NEXT:       <key>file</key><integer>0</integer>
307// CHECK-NEXT:      </dict>
308// CHECK-NEXT:      <key>ranges</key>
309// CHECK-NEXT:      <array>
310// CHECK-NEXT:        <array>
311// CHECK-NEXT:         <dict>
312// CHECK-NEXT:          <key>line</key><integer>28</integer>
313// CHECK-NEXT:          <key>col</key><integer>3</integer>
314// CHECK-NEXT:          <key>file</key><integer>0</integer>
315// CHECK-NEXT:         </dict>
316// CHECK-NEXT:         <dict>
317// CHECK-NEXT:          <key>line</key><integer>28</integer>
318// CHECK-NEXT:          <key>col</key><integer>33</integer>
319// CHECK-NEXT:          <key>file</key><integer>0</integer>
320// CHECK-NEXT:         </dict>
321// CHECK-NEXT:        </array>
322// CHECK-NEXT:      </array>
323// CHECK-NEXT:      <key>depth</key><integer>0</integer>
324// CHECK-NEXT:      <key>extended_message</key>
325// CHECK-NEXT:      <string>Value assigned to &apos;self&apos;</string>
326// CHECK-NEXT:      <key>message</key>
327// CHECK-NEXT:      <string>Value assigned to &apos;self&apos;</string>
328// CHECK-NEXT:     </dict>
329// CHECK-NEXT:     <dict>
330// CHECK-NEXT:      <key>kind</key><string>control</string>
331// CHECK-NEXT:      <key>edges</key>
332// CHECK-NEXT:       <array>
333// CHECK-NEXT:        <dict>
334// CHECK-NEXT:         <key>start</key>
335// CHECK-NEXT:          <array>
336// CHECK-NEXT:           <dict>
337// CHECK-NEXT:            <key>line</key><integer>28</integer>
338// CHECK-NEXT:            <key>col</key><integer>3</integer>
339// CHECK-NEXT:            <key>file</key><integer>0</integer>
340// CHECK-NEXT:           </dict>
341// CHECK-NEXT:           <dict>
342// CHECK-NEXT:            <key>line</key><integer>28</integer>
343// CHECK-NEXT:            <key>col</key><integer>6</integer>
344// CHECK-NEXT:            <key>file</key><integer>0</integer>
345// CHECK-NEXT:           </dict>
346// CHECK-NEXT:          </array>
347// CHECK-NEXT:         <key>end</key>
348// CHECK-NEXT:          <array>
349// CHECK-NEXT:           <dict>
350// CHECK-NEXT:            <key>line</key><integer>29</integer>
351// CHECK-NEXT:            <key>col</key><integer>3</integer>
352// CHECK-NEXT:            <key>file</key><integer>0</integer>
353// CHECK-NEXT:           </dict>
354// CHECK-NEXT:           <dict>
355// CHECK-NEXT:            <key>line</key><integer>29</integer>
356// CHECK-NEXT:            <key>col</key><integer>4</integer>
357// CHECK-NEXT:            <key>file</key><integer>0</integer>
358// CHECK-NEXT:           </dict>
359// CHECK-NEXT:          </array>
360// CHECK-NEXT:        </dict>
361// CHECK-NEXT:       </array>
362// CHECK-NEXT:     </dict>
363// CHECK-NEXT:     <dict>
364// CHECK-NEXT:      <key>kind</key><string>control</string>
365// CHECK-NEXT:      <key>edges</key>
366// CHECK-NEXT:       <array>
367// CHECK-NEXT:        <dict>
368// CHECK-NEXT:         <key>start</key>
369// CHECK-NEXT:          <array>
370// CHECK-NEXT:           <dict>
371// CHECK-NEXT:            <key>line</key><integer>29</integer>
372// CHECK-NEXT:            <key>col</key><integer>3</integer>
373// CHECK-NEXT:            <key>file</key><integer>0</integer>
374// CHECK-NEXT:           </dict>
375// CHECK-NEXT:           <dict>
376// CHECK-NEXT:            <key>line</key><integer>29</integer>
377// CHECK-NEXT:            <key>col</key><integer>4</integer>
378// CHECK-NEXT:            <key>file</key><integer>0</integer>
379// CHECK-NEXT:           </dict>
380// CHECK-NEXT:          </array>
381// CHECK-NEXT:         <key>end</key>
382// CHECK-NEXT:          <array>
383// CHECK-NEXT:           <dict>
384// CHECK-NEXT:            <key>line</key><integer>29</integer>
385// CHECK-NEXT:            <key>col</key><integer>7</integer>
386// CHECK-NEXT:            <key>file</key><integer>0</integer>
387// CHECK-NEXT:           </dict>
388// CHECK-NEXT:           <dict>
389// CHECK-NEXT:            <key>line</key><integer>29</integer>
390// CHECK-NEXT:            <key>col</key><integer>10</integer>
391// CHECK-NEXT:            <key>file</key><integer>0</integer>
392// CHECK-NEXT:           </dict>
393// CHECK-NEXT:          </array>
394// CHECK-NEXT:        </dict>
395// CHECK-NEXT:       </array>
396// CHECK-NEXT:     </dict>
397// CHECK-NEXT:     <dict>
398// CHECK-NEXT:      <key>kind</key><string>event</string>
399// CHECK-NEXT:      <key>location</key>
400// CHECK-NEXT:      <dict>
401// CHECK-NEXT:       <key>line</key><integer>29</integer>
402// CHECK-NEXT:       <key>col</key><integer>7</integer>
403// CHECK-NEXT:       <key>file</key><integer>0</integer>
404// CHECK-NEXT:      </dict>
405// CHECK-NEXT:      <key>ranges</key>
406// CHECK-NEXT:      <array>
407// CHECK-NEXT:        <array>
408// CHECK-NEXT:         <dict>
409// CHECK-NEXT:          <key>line</key><integer>29</integer>
410// CHECK-NEXT:          <key>col</key><integer>7</integer>
411// CHECK-NEXT:          <key>file</key><integer>0</integer>
412// CHECK-NEXT:         </dict>
413// CHECK-NEXT:         <dict>
414// CHECK-NEXT:          <key>line</key><integer>29</integer>
415// CHECK-NEXT:          <key>col</key><integer>10</integer>
416// CHECK-NEXT:          <key>file</key><integer>0</integer>
417// CHECK-NEXT:         </dict>
418// CHECK-NEXT:        </array>
419// CHECK-NEXT:      </array>
420// CHECK-NEXT:      <key>depth</key><integer>0</integer>
421// CHECK-NEXT:      <key>extended_message</key>
422// CHECK-NEXT:      <string>Assuming &apos;self&apos; is nil</string>
423// CHECK-NEXT:      <key>message</key>
424// CHECK-NEXT:      <string>Assuming &apos;self&apos; is nil</string>
425// CHECK-NEXT:     </dict>
426// CHECK-NEXT:     <dict>
427// CHECK-NEXT:      <key>kind</key><string>control</string>
428// CHECK-NEXT:      <key>edges</key>
429// CHECK-NEXT:       <array>
430// CHECK-NEXT:        <dict>
431// CHECK-NEXT:         <key>start</key>
432// CHECK-NEXT:          <array>
433// CHECK-NEXT:           <dict>
434// CHECK-NEXT:            <key>line</key><integer>29</integer>
435// CHECK-NEXT:            <key>col</key><integer>7</integer>
436// CHECK-NEXT:            <key>file</key><integer>0</integer>
437// CHECK-NEXT:           </dict>
438// CHECK-NEXT:           <dict>
439// CHECK-NEXT:            <key>line</key><integer>29</integer>
440// CHECK-NEXT:            <key>col</key><integer>10</integer>
441// CHECK-NEXT:            <key>file</key><integer>0</integer>
442// CHECK-NEXT:           </dict>
443// CHECK-NEXT:          </array>
444// CHECK-NEXT:         <key>end</key>
445// CHECK-NEXT:          <array>
446// CHECK-NEXT:           <dict>
447// CHECK-NEXT:            <key>line</key><integer>33</integer>
448// CHECK-NEXT:            <key>col</key><integer>3</integer>
449// CHECK-NEXT:            <key>file</key><integer>0</integer>
450// CHECK-NEXT:           </dict>
451// CHECK-NEXT:           <dict>
452// CHECK-NEXT:            <key>line</key><integer>33</integer>
453// CHECK-NEXT:            <key>col</key><integer>10</integer>
454// CHECK-NEXT:            <key>file</key><integer>0</integer>
455// CHECK-NEXT:           </dict>
456// CHECK-NEXT:          </array>
457// CHECK-NEXT:        </dict>
458// CHECK-NEXT:       </array>
459// CHECK-NEXT:     </dict>
460// CHECK-NEXT:     <dict>
461// CHECK-NEXT:      <key>kind</key><string>control</string>
462// CHECK-NEXT:      <key>edges</key>
463// CHECK-NEXT:       <array>
464// CHECK-NEXT:        <dict>
465// CHECK-NEXT:         <key>start</key>
466// CHECK-NEXT:          <array>
467// CHECK-NEXT:           <dict>
468// CHECK-NEXT:            <key>line</key><integer>33</integer>
469// CHECK-NEXT:            <key>col</key><integer>3</integer>
470// CHECK-NEXT:            <key>file</key><integer>0</integer>
471// CHECK-NEXT:           </dict>
472// CHECK-NEXT:           <dict>
473// CHECK-NEXT:            <key>line</key><integer>33</integer>
474// CHECK-NEXT:            <key>col</key><integer>10</integer>
475// CHECK-NEXT:            <key>file</key><integer>0</integer>
476// CHECK-NEXT:           </dict>
477// CHECK-NEXT:          </array>
478// CHECK-NEXT:         <key>end</key>
479// CHECK-NEXT:          <array>
480// CHECK-NEXT:           <dict>
481// CHECK-NEXT:            <key>line</key><integer>33</integer>
482// CHECK-NEXT:            <key>col</key><integer>12</integer>
483// CHECK-NEXT:            <key>file</key><integer>0</integer>
484// CHECK-NEXT:           </dict>
485// CHECK-NEXT:           <dict>
486// CHECK-NEXT:            <key>line</key><integer>33</integer>
487// CHECK-NEXT:            <key>col</key><integer>12</integer>
488// CHECK-NEXT:            <key>file</key><integer>0</integer>
489// CHECK-NEXT:           </dict>
490// CHECK-NEXT:          </array>
491// CHECK-NEXT:        </dict>
492// CHECK-NEXT:       </array>
493// CHECK-NEXT:     </dict>
494// CHECK-NEXT:     <dict>
495// CHECK-NEXT:      <key>kind</key><string>event</string>
496// CHECK-NEXT:      <key>location</key>
497// CHECK-NEXT:      <dict>
498// CHECK-NEXT:       <key>line</key><integer>33</integer>
499// CHECK-NEXT:       <key>col</key><integer>12</integer>
500// CHECK-NEXT:       <key>file</key><integer>0</integer>
501// CHECK-NEXT:      </dict>
502// CHECK-NEXT:      <key>depth</key><integer>0</integer>
503// CHECK-NEXT:      <key>extended_message</key>
504// CHECK-NEXT:      <string>Access to instance variable &apos;uniqueID&apos; results in a dereference of a null pointer (loaded from variable &apos;self&apos;)</string>
505// CHECK-NEXT:      <key>message</key>
506// CHECK-NEXT:      <string>Access to instance variable &apos;uniqueID&apos; results in a dereference of a null pointer (loaded from variable &apos;self&apos;)</string>
507// CHECK-NEXT:     </dict>
508// CHECK-NEXT:    </array>
509// CHECK-NEXT:    <key>description</key><string>Access to instance variable &apos;uniqueID&apos; results in a dereference of a null pointer (loaded from variable &apos;self&apos;)</string>
510// CHECK-NEXT:    <key>category</key><string>Logic error</string>
511// CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
512// CHECK-NEXT:    <key>check_name</key><string>core.NullDereference</string>
513// CHECK-NEXT:   <key>issue_context_kind</key><string>Objective-C method</string>
514// CHECK-NEXT:   <key>issue_context</key><string>initWithID:</string>
515// CHECK-NEXT:   <key>issue_hash</key><string>6</string>
516// CHECK-NEXT:   <key>location</key>
517// CHECK-NEXT:   <dict>
518// CHECK-NEXT:    <key>line</key><integer>33</integer>
519// CHECK-NEXT:    <key>col</key><integer>12</integer>
520// CHECK-NEXT:    <key>file</key><integer>0</integer>
521// CHECK-NEXT:   </dict>
522// CHECK-NEXT:   </dict>
523// CHECK-NEXT:   <dict>
524// CHECK-NEXT:    <key>path</key>
525// CHECK-NEXT:    <array>
526// CHECK-NEXT:     <dict>
527// CHECK-NEXT:      <key>kind</key><string>control</string>
528// CHECK-NEXT:      <key>edges</key>
529// CHECK-NEXT:       <array>
530// CHECK-NEXT:        <dict>
531// CHECK-NEXT:         <key>start</key>
532// CHECK-NEXT:          <array>
533// CHECK-NEXT:           <dict>
534// CHECK-NEXT:            <key>line</key><integer>40</integer>
535// CHECK-NEXT:            <key>col</key><integer>3</integer>
536// CHECK-NEXT:            <key>file</key><integer>0</integer>
537// CHECK-NEXT:           </dict>
538// CHECK-NEXT:           <dict>
539// CHECK-NEXT:            <key>line</key><integer>40</integer>
540// CHECK-NEXT:            <key>col</key><integer>5</integer>
541// CHECK-NEXT:            <key>file</key><integer>0</integer>
542// CHECK-NEXT:           </dict>
543// CHECK-NEXT:          </array>
544// CHECK-NEXT:         <key>end</key>
545// CHECK-NEXT:          <array>
546// CHECK-NEXT:           <dict>
547// CHECK-NEXT:            <key>line</key><integer>41</integer>
548// CHECK-NEXT:            <key>col</key><integer>3</integer>
549// CHECK-NEXT:            <key>file</key><integer>0</integer>
550// CHECK-NEXT:           </dict>
551// CHECK-NEXT:           <dict>
552// CHECK-NEXT:            <key>line</key><integer>41</integer>
553// CHECK-NEXT:            <key>col</key><integer>4</integer>
554// CHECK-NEXT:            <key>file</key><integer>0</integer>
555// CHECK-NEXT:           </dict>
556// CHECK-NEXT:          </array>
557// CHECK-NEXT:        </dict>
558// CHECK-NEXT:       </array>
559// CHECK-NEXT:     </dict>
560// CHECK-NEXT:     <dict>
561// CHECK-NEXT:      <key>kind</key><string>control</string>
562// CHECK-NEXT:      <key>edges</key>
563// CHECK-NEXT:       <array>
564// CHECK-NEXT:        <dict>
565// CHECK-NEXT:         <key>start</key>
566// CHECK-NEXT:          <array>
567// CHECK-NEXT:           <dict>
568// CHECK-NEXT:            <key>line</key><integer>41</integer>
569// CHECK-NEXT:            <key>col</key><integer>3</integer>
570// CHECK-NEXT:            <key>file</key><integer>0</integer>
571// CHECK-NEXT:           </dict>
572// CHECK-NEXT:           <dict>
573// CHECK-NEXT:            <key>line</key><integer>41</integer>
574// CHECK-NEXT:            <key>col</key><integer>4</integer>
575// CHECK-NEXT:            <key>file</key><integer>0</integer>
576// CHECK-NEXT:           </dict>
577// CHECK-NEXT:          </array>
578// CHECK-NEXT:         <key>end</key>
579// CHECK-NEXT:          <array>
580// CHECK-NEXT:           <dict>
581// CHECK-NEXT:            <key>line</key><integer>41</integer>
582// CHECK-NEXT:            <key>col</key><integer>7</integer>
583// CHECK-NEXT:            <key>file</key><integer>0</integer>
584// CHECK-NEXT:           </dict>
585// CHECK-NEXT:           <dict>
586// CHECK-NEXT:            <key>line</key><integer>41</integer>
587// CHECK-NEXT:            <key>col</key><integer>10</integer>
588// CHECK-NEXT:            <key>file</key><integer>0</integer>
589// CHECK-NEXT:           </dict>
590// CHECK-NEXT:          </array>
591// CHECK-NEXT:        </dict>
592// CHECK-NEXT:       </array>
593// CHECK-NEXT:     </dict>
594// CHECK-NEXT:     <dict>
595// CHECK-NEXT:      <key>kind</key><string>event</string>
596// CHECK-NEXT:      <key>location</key>
597// CHECK-NEXT:      <dict>
598// CHECK-NEXT:       <key>line</key><integer>41</integer>
599// CHECK-NEXT:       <key>col</key><integer>7</integer>
600// CHECK-NEXT:       <key>file</key><integer>0</integer>
601// CHECK-NEXT:      </dict>
602// CHECK-NEXT:      <key>ranges</key>
603// CHECK-NEXT:      <array>
604// CHECK-NEXT:        <array>
605// CHECK-NEXT:         <dict>
606// CHECK-NEXT:          <key>line</key><integer>41</integer>
607// CHECK-NEXT:          <key>col</key><integer>7</integer>
608// CHECK-NEXT:          <key>file</key><integer>0</integer>
609// CHECK-NEXT:         </dict>
610// CHECK-NEXT:         <dict>
611// CHECK-NEXT:          <key>line</key><integer>41</integer>
612// CHECK-NEXT:          <key>col</key><integer>10</integer>
613// CHECK-NEXT:          <key>file</key><integer>0</integer>
614// CHECK-NEXT:         </dict>
615// CHECK-NEXT:        </array>
616// CHECK-NEXT:      </array>
617// CHECK-NEXT:      <key>depth</key><integer>0</integer>
618// CHECK-NEXT:      <key>extended_message</key>
619// CHECK-NEXT:      <string>Assuming &apos;coin&apos; is 0</string>
620// CHECK-NEXT:      <key>message</key>
621// CHECK-NEXT:      <string>Assuming &apos;coin&apos; is 0</string>
622// CHECK-NEXT:     </dict>
623// CHECK-NEXT:     <dict>
624// CHECK-NEXT:      <key>kind</key><string>control</string>
625// CHECK-NEXT:      <key>edges</key>
626// CHECK-NEXT:       <array>
627// CHECK-NEXT:        <dict>
628// CHECK-NEXT:         <key>start</key>
629// CHECK-NEXT:          <array>
630// CHECK-NEXT:           <dict>
631// CHECK-NEXT:            <key>line</key><integer>41</integer>
632// CHECK-NEXT:            <key>col</key><integer>7</integer>
633// CHECK-NEXT:            <key>file</key><integer>0</integer>
634// CHECK-NEXT:           </dict>
635// CHECK-NEXT:           <dict>
636// CHECK-NEXT:            <key>line</key><integer>41</integer>
637// CHECK-NEXT:            <key>col</key><integer>10</integer>
638// CHECK-NEXT:            <key>file</key><integer>0</integer>
639// CHECK-NEXT:           </dict>
640// CHECK-NEXT:          </array>
641// CHECK-NEXT:         <key>end</key>
642// CHECK-NEXT:          <array>
643// CHECK-NEXT:           <dict>
644// CHECK-NEXT:            <key>line</key><integer>47</integer>
645// CHECK-NEXT:            <key>col</key><integer>5</integer>
646// CHECK-NEXT:            <key>file</key><integer>0</integer>
647// CHECK-NEXT:           </dict>
648// CHECK-NEXT:           <dict>
649// CHECK-NEXT:            <key>line</key><integer>47</integer>
650// CHECK-NEXT:            <key>col</key><integer>5</integer>
651// CHECK-NEXT:            <key>file</key><integer>0</integer>
652// CHECK-NEXT:           </dict>
653// CHECK-NEXT:          </array>
654// CHECK-NEXT:        </dict>
655// CHECK-NEXT:       </array>
656// CHECK-NEXT:     </dict>
657// CHECK-NEXT:     <dict>
658// CHECK-NEXT:      <key>kind</key><string>event</string>
659// CHECK-NEXT:      <key>location</key>
660// CHECK-NEXT:      <dict>
661// CHECK-NEXT:       <key>line</key><integer>47</integer>
662// CHECK-NEXT:       <key>col</key><integer>5</integer>
663// CHECK-NEXT:       <key>file</key><integer>0</integer>
664// CHECK-NEXT:      </dict>
665// CHECK-NEXT:      <key>ranges</key>
666// CHECK-NEXT:      <array>
667// CHECK-NEXT:        <array>
668// CHECK-NEXT:         <dict>
669// CHECK-NEXT:          <key>line</key><integer>47</integer>
670// CHECK-NEXT:          <key>col</key><integer>5</integer>
671// CHECK-NEXT:          <key>file</key><integer>0</integer>
672// CHECK-NEXT:         </dict>
673// CHECK-NEXT:         <dict>
674// CHECK-NEXT:          <key>line</key><integer>47</integer>
675// CHECK-NEXT:          <key>col</key><integer>9</integer>
676// CHECK-NEXT:          <key>file</key><integer>0</integer>
677// CHECK-NEXT:         </dict>
678// CHECK-NEXT:        </array>
679// CHECK-NEXT:      </array>
680// CHECK-NEXT:      <key>depth</key><integer>0</integer>
681// CHECK-NEXT:      <key>extended_message</key>
682// CHECK-NEXT:      <string>Null pointer value stored to &apos;p&apos;</string>
683// CHECK-NEXT:      <key>message</key>
684// CHECK-NEXT:      <string>Null pointer value stored to &apos;p&apos;</string>
685// CHECK-NEXT:     </dict>
686// CHECK-NEXT:     <dict>
687// CHECK-NEXT:      <key>kind</key><string>control</string>
688// CHECK-NEXT:      <key>edges</key>
689// CHECK-NEXT:       <array>
690// CHECK-NEXT:        <dict>
691// CHECK-NEXT:         <key>start</key>
692// CHECK-NEXT:          <array>
693// CHECK-NEXT:           <dict>
694// CHECK-NEXT:            <key>line</key><integer>47</integer>
695// CHECK-NEXT:            <key>col</key><integer>5</integer>
696// CHECK-NEXT:            <key>file</key><integer>0</integer>
697// CHECK-NEXT:           </dict>
698// CHECK-NEXT:           <dict>
699// CHECK-NEXT:            <key>line</key><integer>47</integer>
700// CHECK-NEXT:            <key>col</key><integer>5</integer>
701// CHECK-NEXT:            <key>file</key><integer>0</integer>
702// CHECK-NEXT:           </dict>
703// CHECK-NEXT:          </array>
704// CHECK-NEXT:         <key>end</key>
705// CHECK-NEXT:          <array>
706// CHECK-NEXT:           <dict>
707// CHECK-NEXT:            <key>line</key><integer>50</integer>
708// CHECK-NEXT:            <key>col</key><integer>3</integer>
709// CHECK-NEXT:            <key>file</key><integer>0</integer>
710// CHECK-NEXT:           </dict>
711// CHECK-NEXT:           <dict>
712// CHECK-NEXT:            <key>line</key><integer>50</integer>
713// CHECK-NEXT:            <key>col</key><integer>3</integer>
714// CHECK-NEXT:            <key>file</key><integer>0</integer>
715// CHECK-NEXT:           </dict>
716// CHECK-NEXT:          </array>
717// CHECK-NEXT:        </dict>
718// CHECK-NEXT:       </array>
719// CHECK-NEXT:     </dict>
720// CHECK-NEXT:     <dict>
721// CHECK-NEXT:      <key>kind</key><string>control</string>
722// CHECK-NEXT:      <key>edges</key>
723// CHECK-NEXT:       <array>
724// CHECK-NEXT:        <dict>
725// CHECK-NEXT:         <key>start</key>
726// CHECK-NEXT:          <array>
727// CHECK-NEXT:           <dict>
728// CHECK-NEXT:            <key>line</key><integer>50</integer>
729// CHECK-NEXT:            <key>col</key><integer>3</integer>
730// CHECK-NEXT:            <key>file</key><integer>0</integer>
731// CHECK-NEXT:           </dict>
732// CHECK-NEXT:           <dict>
733// CHECK-NEXT:            <key>line</key><integer>50</integer>
734// CHECK-NEXT:            <key>col</key><integer>3</integer>
735// CHECK-NEXT:            <key>file</key><integer>0</integer>
736// CHECK-NEXT:           </dict>
737// CHECK-NEXT:          </array>
738// CHECK-NEXT:         <key>end</key>
739// CHECK-NEXT:          <array>
740// CHECK-NEXT:           <dict>
741// CHECK-NEXT:            <key>line</key><integer>50</integer>
742// CHECK-NEXT:            <key>col</key><integer>6</integer>
743// CHECK-NEXT:            <key>file</key><integer>0</integer>
744// CHECK-NEXT:           </dict>
745// CHECK-NEXT:           <dict>
746// CHECK-NEXT:            <key>line</key><integer>50</integer>
747// CHECK-NEXT:            <key>col</key><integer>6</integer>
748// CHECK-NEXT:            <key>file</key><integer>0</integer>
749// CHECK-NEXT:           </dict>
750// CHECK-NEXT:          </array>
751// CHECK-NEXT:        </dict>
752// CHECK-NEXT:       </array>
753// CHECK-NEXT:     </dict>
754// CHECK-NEXT:     <dict>
755// CHECK-NEXT:      <key>kind</key><string>event</string>
756// CHECK-NEXT:      <key>location</key>
757// CHECK-NEXT:      <dict>
758// CHECK-NEXT:       <key>line</key><integer>50</integer>
759// CHECK-NEXT:       <key>col</key><integer>6</integer>
760// CHECK-NEXT:       <key>file</key><integer>0</integer>
761// CHECK-NEXT:      </dict>
762// CHECK-NEXT:      <key>ranges</key>
763// CHECK-NEXT:      <array>
764// CHECK-NEXT:        <array>
765// CHECK-NEXT:         <dict>
766// CHECK-NEXT:          <key>line</key><integer>50</integer>
767// CHECK-NEXT:          <key>col</key><integer>4</integer>
768// CHECK-NEXT:          <key>file</key><integer>0</integer>
769// CHECK-NEXT:         </dict>
770// CHECK-NEXT:         <dict>
771// CHECK-NEXT:          <key>line</key><integer>50</integer>
772// CHECK-NEXT:          <key>col</key><integer>4</integer>
773// CHECK-NEXT:          <key>file</key><integer>0</integer>
774// CHECK-NEXT:         </dict>
775// CHECK-NEXT:        </array>
776// CHECK-NEXT:      </array>
777// CHECK-NEXT:      <key>depth</key><integer>0</integer>
778// CHECK-NEXT:      <key>extended_message</key>
779// CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
780// CHECK-NEXT:      <key>message</key>
781// CHECK-NEXT:      <string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
782// CHECK-NEXT:     </dict>
783// CHECK-NEXT:    </array>
784// CHECK-NEXT:    <key>description</key><string>Dereference of null pointer (loaded from variable &apos;p&apos;)</string>
785// CHECK-NEXT:    <key>category</key><string>Logic error</string>
786// CHECK-NEXT:    <key>type</key><string>Dereference of null pointer</string>
787// CHECK-NEXT:    <key>check_name</key><string>core.NullDereference</string>
788// CHECK-NEXT:   <key>issue_context_kind</key><string>function</string>
789// CHECK-NEXT:   <key>issue_context</key><string>repeatedStores</string>
790// CHECK-NEXT:   <key>issue_hash</key><string>11</string>
791// CHECK-NEXT:   <key>location</key>
792// CHECK-NEXT:   <dict>
793// CHECK-NEXT:    <key>line</key><integer>50</integer>
794// CHECK-NEXT:    <key>col</key><integer>6</integer>
795// CHECK-NEXT:    <key>file</key><integer>0</integer>
796// CHECK-NEXT:   </dict>
797// CHECK-NEXT:   </dict>
798// CHECK-NEXT:  </array>
799